mirror of https://github.com/JakubMelka/PDF4QT.git
567 lines
23 KiB
C++
567 lines
23 KiB
C++
// Copyright (C) 2019-2022 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#include "pdfdocumentpropertiesdialog.h"
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#include "ui_pdfdocumentpropertiesdialog.h"
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#include "pdfdocument.h"
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#include "pdfwidgetutils.h"
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#include "pdffont.h"
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#include "pdfutils.h"
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#include "pdfexception.h"
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#include "pdfexecutionpolicy.h"
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#include "pdfdbgheap.h"
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#include <QLocale>
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#include <QPageSize>
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#include <QtConcurrent/QtConcurrent>
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#include <execution>
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namespace pdfviewer
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{
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PDFDocumentPropertiesDialog::PDFDocumentPropertiesDialog(const pdf::PDFDocument* document,
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const PDFFileInfo* fileInfo,
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QWidget* parent) :
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QDialog(parent),
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ui(new Ui::PDFDocumentPropertiesDialog)
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{
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ui->setupUi(this);
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initializeProperties(document);
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initializeFileInfoProperties(fileInfo);
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initializeSecurity(document);
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initializeFonts(document);
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initializeDisplayAndPrintSettings(document);
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const int minimumSectionSize = pdf::PDFWidgetUtils::scaleDPI_x(this, 300);
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for (QTreeWidget* widget : findChildren<QTreeWidget*>(QString(), Qt::FindChildrenRecursively))
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{
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widget->header()->setMinimumSectionSize(minimumSectionSize);
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}
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pdf::PDFWidgetUtils::scaleWidget(this, QSize(750, 600));
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pdf::PDFWidgetUtils::style(this);
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}
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PDFDocumentPropertiesDialog::~PDFDocumentPropertiesDialog()
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{
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Q_ASSERT(m_fontTreeWidgetItems.empty());
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delete ui;
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}
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void PDFDocumentPropertiesDialog::initializeProperties(const pdf::PDFDocument* document)
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{
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QLocale locale;
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// Initialize document properties
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QTreeWidgetItem* propertiesRoot = new QTreeWidgetItem({ tr("Properties") });
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const pdf::PDFDocumentInfo* info = document->getInfo();
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const pdf::PDFCatalog* catalog = document->getCatalog();
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new QTreeWidgetItem(propertiesRoot, { tr("PDF version"), QString::fromLatin1(document->getVersion()) });
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new QTreeWidgetItem(propertiesRoot, { tr("Title"), info->title });
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new QTreeWidgetItem(propertiesRoot, { tr("Subject"), info->subject });
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new QTreeWidgetItem(propertiesRoot, { tr("Author"), info->author });
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new QTreeWidgetItem(propertiesRoot, { tr("Keywords"), info->keywords });
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new QTreeWidgetItem(propertiesRoot, { tr("Creator"), info->creator });
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new QTreeWidgetItem(propertiesRoot, { tr("Producer"), info->producer });
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new QTreeWidgetItem(propertiesRoot, { tr("Creation date"), locale.toString(info->creationDate) });
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new QTreeWidgetItem(propertiesRoot, { tr("Modified date"), locale.toString(info->modifiedDate) });
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QString trapped;
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switch (info->trapped)
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{
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case pdf::PDFDocumentInfo::Trapped::True:
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trapped = tr("Yes");
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break;
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case pdf::PDFDocumentInfo::Trapped::False:
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trapped = tr("No");
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break;
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case pdf::PDFDocumentInfo::Trapped::Unknown:
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trapped = tr("Unknown");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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QTreeWidgetItem* contentRoot = new QTreeWidgetItem({ tr("Content") });
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const pdf::PDFInteger pageCount = catalog->getPageCount();
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new QTreeWidgetItem(contentRoot, { tr("Page count"), locale.toString(pageCount) });
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if (pageCount > 0)
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{
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const pdf::PDFPage* firstPage = catalog->getPage(0);
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QSizeF pageSizeMM = firstPage->getRectMM(firstPage->getRotatedMediaBox()).size();
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QPageSize pageSize(pageSizeMM, QPageSize::Millimeter, QString(), QPageSize::FuzzyOrientationMatch);
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QString paperSizeString = QString("%1 x %2 mm").arg(locale.toString(pageSizeMM.width()), locale.toString(pageSizeMM.height()));
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new QTreeWidgetItem(contentRoot, { tr("Paper format"), pageSize.name() });
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new QTreeWidgetItem(contentRoot, { tr("Paper size"), paperSizeString });
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}
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new QTreeWidgetItem(contentRoot, { tr("Trapped"), trapped });
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ui->propertiesTreeWidget->addTopLevelItem(propertiesRoot);
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ui->propertiesTreeWidget->addTopLevelItem(contentRoot);
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if (!info->extra.empty())
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{
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QTreeWidgetItem* customRoot = new QTreeWidgetItem({ tr("Custom properties") });
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for (const auto& item : info->extra)
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{
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QString key = QString::fromLatin1(item.first);
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QVariant valueVariant = item.second;
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QString value = (valueVariant.type() == QVariant::DateTime) ? locale.toString(valueVariant.toDateTime()) : valueVariant.toString();
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new QTreeWidgetItem(customRoot, { key, value });
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}
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ui->propertiesTreeWidget->addTopLevelItem(customRoot);
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}
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ui->propertiesTreeWidget->expandAll();
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ui->propertiesTreeWidget->resizeColumnToContents(0);
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}
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void PDFDocumentPropertiesDialog::initializeFileInfoProperties(const PDFFileInfo* fileInfo)
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{
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QLocale locale;
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// Initialize document file info
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QTreeWidgetItem* fileInfoRoot = new QTreeWidgetItem({ tr("File information") });
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new QTreeWidgetItem(fileInfoRoot, { tr("Name"), fileInfo->fileName });
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new QTreeWidgetItem(fileInfoRoot, { tr("Directory"), fileInfo->path });
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new QTreeWidgetItem(fileInfoRoot, { tr("Writable"), fileInfo->writable ? tr("Yes") : tr("No") });
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QString fileSize;
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if (fileInfo->fileSize > 1024 * 1024)
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{
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fileSize = QString("%1 MB (%2 bytes)").arg(locale.toString(fileInfo->fileSize / (1024.0 * 1024.0)), locale.toString(fileInfo->fileSize));
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}
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else
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{
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fileSize = QString("%1 kB (%2 bytes)").arg(locale.toString(fileInfo->fileSize / 1024.0), locale.toString(fileInfo->fileSize));
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}
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new QTreeWidgetItem(fileInfoRoot, { tr("Size"), fileSize });
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new QTreeWidgetItem(fileInfoRoot, { tr("Created date"), locale.toString(fileInfo->creationTime) });
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new QTreeWidgetItem(fileInfoRoot, { tr("Modified date"), locale.toString(fileInfo->lastModifiedTime) });
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new QTreeWidgetItem(fileInfoRoot, { tr("Last read date"), locale.toString(fileInfo->lastReadTime) });
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ui->fileInfoTreeWidget->addTopLevelItem(fileInfoRoot);
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ui->fileInfoTreeWidget->expandAll();
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ui->fileInfoTreeWidget->resizeColumnToContents(0);
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}
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void PDFDocumentPropertiesDialog::initializeSecurity(const pdf::PDFDocument* document)
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{
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QLocale locale;
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QTreeWidgetItem* securityRoot = new QTreeWidgetItem({ tr("Security") });
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const pdf::PDFSecurityHandler* securityHandler = document->getStorage().getSecurityHandler();
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const pdf::EncryptionMode mode = securityHandler->getMode();
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QString modeString;
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switch (mode)
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{
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case pdf::EncryptionMode::None:
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modeString = tr("None");
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break;
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case pdf::EncryptionMode::Standard:
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modeString = tr("Standard");
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break;
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case pdf::EncryptionMode::PublicKey:
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modeString = tr("Public Key");
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break;
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case pdf::EncryptionMode::Custom:
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modeString = tr("Custom");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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QString authorizationMode;
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switch (securityHandler->getAuthorizationResult())
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{
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case pdf::PDFSecurityHandler::AuthorizationResult::NoAuthorizationRequired:
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authorizationMode = tr("No authorization required");
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break;
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case pdf::PDFSecurityHandler::AuthorizationResult::OwnerAuthorized:
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authorizationMode = tr("Authorized as owner");
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break;
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case pdf::PDFSecurityHandler::AuthorizationResult::UserAuthorized:
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authorizationMode = tr("Authorized as user");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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new QTreeWidgetItem(securityRoot, { tr("Document encryption"), modeString });
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new QTreeWidgetItem(securityRoot, { tr("Authorized as"), authorizationMode });
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if (securityHandler->getAuthorizationResult() != pdf::PDFSecurityHandler::AuthorizationResult::NoAuthorizationRequired)
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{
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new QTreeWidgetItem(securityRoot, { tr("Metadata encrypted"), securityHandler->isMetadataEncrypted() ? tr("Yes") : tr("No") });
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new QTreeWidgetItem(securityRoot, { tr("Version"), locale.toString(securityHandler->getVersion()) });
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}
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QTreeWidgetItem* permissionsRoot = new QTreeWidgetItem({ tr("Permissions") });
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auto addPermissionInfo = [securityHandler, permissionsRoot](QString caption, pdf::PDFSecurityHandler::Permission permission)
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{
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new QTreeWidgetItem(permissionsRoot, { caption, securityHandler->isAllowed(permission) ? tr("Yes") : tr("No")});
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};
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addPermissionInfo(tr("Print (low resolution)"), pdf::PDFSecurityHandler::Permission::PrintLowResolution);
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addPermissionInfo(tr("Print (high resolution)"), pdf::PDFSecurityHandler::Permission::PrintHighResolution);
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addPermissionInfo(tr("Content extraction"), pdf::PDFSecurityHandler::Permission::CopyContent);
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addPermissionInfo(tr("Content extraction (accessibility)"), pdf::PDFSecurityHandler::Permission::Accessibility);
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addPermissionInfo(tr("Page assembling"), pdf::PDFSecurityHandler::Permission::Assemble);
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addPermissionInfo(tr("Modify content"), pdf::PDFSecurityHandler::Permission::Modify);
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addPermissionInfo(tr("Modify interactive items"), pdf::PDFSecurityHandler::Permission::ModifyInteractiveItems);
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addPermissionInfo(tr("Fill form fields"), pdf::PDFSecurityHandler::Permission::ModifyFormFields);
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ui->securityTreeWidget->addTopLevelItem(securityRoot);
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ui->securityTreeWidget->addTopLevelItem(permissionsRoot);
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ui->securityTreeWidget->expandAll();
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ui->securityTreeWidget->resizeColumnToContents(0);
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}
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void PDFDocumentPropertiesDialog::initializeFonts(const pdf::PDFDocument* document)
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{
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auto createFontInfo = [this, document]()
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{
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pdf::PDFInteger pageCount = document->getCatalog()->getPageCount();
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QMutex fontTreeItemMutex;
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QMutex usedFontReferencesMutex;
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std::set<pdf::PDFObjectReference> usedFontReferences;
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auto processPage = [&](pdf::PDFInteger pageIndex)
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{
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try
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{
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const pdf::PDFPage* page = document->getCatalog()->getPage(pageIndex);
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if (const pdf::PDFDictionary* resourcesDictionary = document->getDictionaryFromObject(page->getResources()))
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{
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if (const pdf::PDFDictionary* fontsDictionary = document->getDictionaryFromObject(resourcesDictionary->get("Font")))
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{
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// Iterate trough each font
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const size_t fontsCount = fontsDictionary->getCount();
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for (size_t i = 0; i < fontsCount; ++i)
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{
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pdf::PDFObject object = fontsDictionary->getValue(i);
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if (object.isReference())
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{
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// Check, if we have not processed the object. If we have it processed,
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// then do nothing, otherwise insert it into the processed objects.
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// We must also use mutex, because we use multithreading.
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QMutexLocker lock(&usedFontReferencesMutex);
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if (usedFontReferences.count(object.getReference()))
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{
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continue;
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}
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else
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{
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usedFontReferences.insert(object.getReference());
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}
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}
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try
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{
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if (pdf::PDFFontPointer font = pdf::PDFFont::createFont(object, document))
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{
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pdf::PDFRenderErrorReporterDummy dummyReporter;
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pdf::PDFRealizedFontPointer realizedFont = pdf::PDFRealizedFont::createRealizedFont(font, 8.0, &dummyReporter);
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if (realizedFont)
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{
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const pdf::FontType fontType = font->getFontType();
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const pdf::FontDescriptor* fontDescriptor = font->getFontDescriptor();
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QString fontName = fontDescriptor->fontName;
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// Try to remove characters from +, if we have font name 'SDFDSF+ValidFontName'
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int plusPos = fontName.lastIndexOf('+');
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if (plusPos != -1 && plusPos < fontName.size() - 1)
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{
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fontName = fontName.mid(plusPos + 1);
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}
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if (fontName.isEmpty())
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{
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fontName = QString::fromLatin1(fontsDictionary->getKey(i).getString());
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}
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std::unique_ptr<QTreeWidgetItem> fontRootItemPtr = std::make_unique<QTreeWidgetItem>(QStringList({ fontName }));
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QTreeWidgetItem* fontRootItem = fontRootItemPtr.get();
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QString fontTypeString;
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switch (fontType)
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{
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case pdf::FontType::TrueType:
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fontTypeString = tr("TrueType");
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break;
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case pdf::FontType::Type0:
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fontTypeString = tr("Type0 (CID keyed)");
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break;
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case pdf::FontType::Type1:
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fontTypeString = tr("Type1 (8 bit keyed)");
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break;
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case pdf::FontType::MMType1:
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fontTypeString = tr("MMType1 (8 bit keyed)");
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break;
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case pdf::FontType::Type3:
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fontTypeString = tr("Type3 (content streams for font glyphs)");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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new QTreeWidgetItem(fontRootItem, { tr("Type"), fontTypeString });
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if (!fontDescriptor->fontFamily.isEmpty())
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{
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new QTreeWidgetItem(fontRootItem, { tr("Font family"), fontDescriptor->fontFamily });
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}
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new QTreeWidgetItem(fontRootItem, { tr("Embedded subset"), fontDescriptor->getEmbeddedFontData() ? tr("Yes") : tr("No") });
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font->dumpFontToTreeItem(fontRootItem);
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realizedFont->dumpFontToTreeItem(fontRootItem);
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// Separator item
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new QTreeWidgetItem(fontRootItem, QStringList());
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// Finally add the tree item
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QMutexLocker lock(&fontTreeItemMutex);
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m_fontTreeWidgetItems.push_back(fontRootItemPtr.release());
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}
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}
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}
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catch (const pdf::PDFException &)
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{
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// Do nothing, some error occured, continue with next font
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continue;
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}
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}
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}
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}
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}
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catch (const pdf::PDFException &)
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{
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// Do nothing, some error occured
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}
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};
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pdf::PDFIntegerRange<pdf::PDFInteger> indices(pdf::PDFInteger(0), pageCount);
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pdf::PDFExecutionPolicy::execute(pdf::PDFExecutionPolicy::Scope::Page, indices.begin(), indices.end(), processPage);
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};
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m_future = QtConcurrent::run(createFontInfo);
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connect(&m_futureWatcher, &QFutureWatcher<void>::finished, this, &PDFDocumentPropertiesDialog::onFontsFinished);
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m_futureWatcher.setFuture(m_future);
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}
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void PDFDocumentPropertiesDialog::initializeDisplayAndPrintSettings(const pdf::PDFDocument* document)
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{
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const pdf::PDFCatalog* catalog = document->getCatalog();
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pdf::PageLayout pageLayout = catalog->getPageLayout();
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pdf::PageMode pageMode = catalog->getPageMode();
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const pdf::PDFViewerPreferences* viewerPreferences = catalog->getViewerPreferences();
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QTreeWidgetItem* viewerSettingsRoot = new QTreeWidgetItem({ tr("Viewer settings") });
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QTreeWidgetItem* printerSettingsRoot = new QTreeWidgetItem({ tr("Default printer settings") });
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QString pageLayoutString;
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switch (pageLayout)
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{
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case pdf::PageLayout::SinglePage:
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pageLayoutString = tr("Single page");
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break;
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case pdf::PageLayout::OneColumn:
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pageLayoutString = tr("Continuous column");
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break;
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case pdf::PageLayout::TwoColumnLeft:
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case pdf::PageLayout::TwoColumnRight:
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pageLayoutString = tr("Two continuous columns");
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break;
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case pdf::PageLayout::TwoPagesLeft:
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case pdf::PageLayout::TwoPagesRight:
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pageLayoutString = tr("Two pages");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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QString pageModeString;
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switch (pageMode)
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{
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case pdf::PageMode::UseNone:
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pageModeString = tr("Default");
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break;
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case pdf::PageMode::UseOutlines:
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pageModeString = tr("Show outlines");
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break;
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case pdf::PageMode::UseThumbnails:
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pageModeString = tr("Show thumbnails");
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break;
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case pdf::PageMode::Fullscreen:
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pageModeString = tr("Fullscreen");
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break;
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case pdf::PageMode::UseOptionalContent:
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pageModeString = tr("Show optional content");
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break;
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case pdf::PageMode::UseAttachments:
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pageModeString = tr("Show attachments");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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QString directionString;
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switch (viewerPreferences->getDirection())
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{
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case pdf::PDFViewerPreferences::Direction::LeftToRight:
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directionString = tr("Left to right");
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break;
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case pdf::PDFViewerPreferences::Direction::RightToLeft:
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directionString = tr("Right to left");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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new QTreeWidgetItem(viewerSettingsRoot, { tr("Page layout"), pageLayoutString });
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new QTreeWidgetItem(viewerSettingsRoot, { tr("View mode"), pageModeString });
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new QTreeWidgetItem(viewerSettingsRoot, { tr("Writing direction"), directionString });
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QString printScalingString;
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switch (viewerPreferences->getPrintScaling())
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{
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case pdf::PDFViewerPreferences::PrintScaling::None:
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printScalingString = tr("None");
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break;
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case pdf::PDFViewerPreferences::PrintScaling::AppDefault:
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printScalingString = tr("Application default");
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break;
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default:
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Q_ASSERT(false);
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break;
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}
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new QTreeWidgetItem(printerSettingsRoot, { tr("Scale"), printScalingString });
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QString duplexString;
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switch (viewerPreferences->getDuplex())
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{
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case pdf::PDFViewerPreferences::Duplex::None:
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duplexString = tr("None");
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break;
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case pdf::PDFViewerPreferences::Duplex::Simplex:
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duplexString = tr("Simplex");
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break;
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case pdf::PDFViewerPreferences::Duplex::DuplexFlipLongEdge:
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duplexString = tr("Duplex (flip long edge)");
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break;
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case pdf::PDFViewerPreferences::Duplex::DuplexFlipShortEdge:
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duplexString = tr("Duplex (flip long edge)");
|
|
break;
|
|
|
|
default:
|
|
Q_ASSERT(false);
|
|
break;
|
|
}
|
|
new QTreeWidgetItem(printerSettingsRoot, { tr("Duplex mode"), duplexString });
|
|
new QTreeWidgetItem(printerSettingsRoot, { tr("Pick tray by page size"), viewerPreferences->getOptions().testFlag(pdf::PDFViewerPreferences::PickTrayByPDFSize) ? tr("Yes") : tr("No") });
|
|
|
|
QStringList pageRanges;
|
|
for (const std::pair<pdf::PDFInteger, pdf::PDFInteger>& pageRange : viewerPreferences->getPrintPageRanges())
|
|
{
|
|
pageRanges << QString("%1-%2").arg(pageRange.first).arg(pageRange.second);
|
|
}
|
|
QString pageRangesString = pageRanges.join(",");
|
|
new QTreeWidgetItem(printerSettingsRoot, { tr("Default print page ranges"), pageRangesString });
|
|
new QTreeWidgetItem(printerSettingsRoot, { tr("Number of copies"), QString::number(viewerPreferences->getNumberOfCopies()) });
|
|
|
|
ui->displayAndPrintTreeWidget->addTopLevelItem(viewerSettingsRoot);
|
|
ui->displayAndPrintTreeWidget->addTopLevelItem(printerSettingsRoot);
|
|
ui->displayAndPrintTreeWidget->expandAll();
|
|
ui->displayAndPrintTreeWidget->resizeColumnToContents(0);
|
|
}
|
|
|
|
void PDFDocumentPropertiesDialog::onFontsFinished()
|
|
{
|
|
if (!m_fontTreeWidgetItems.empty())
|
|
{
|
|
std::sort(m_fontTreeWidgetItems.begin(), m_fontTreeWidgetItems.end(), [](QTreeWidgetItem* left, QTreeWidgetItem* right) { return left->data(0, Qt::DisplayRole) < right->data(0, Qt::DisplayRole); });
|
|
for (QTreeWidgetItem* item : m_fontTreeWidgetItems)
|
|
{
|
|
ui->fontsTreeWidget->addTopLevelItem(item);
|
|
}
|
|
m_fontTreeWidgetItems.clear();
|
|
|
|
ui->fontsTreeWidget->collapseAll();
|
|
ui->fontsTreeWidget->expandToDepth(0);
|
|
ui->fontsTreeWidget->resizeColumnToContents(0);
|
|
}
|
|
}
|
|
|
|
void PDFDocumentPropertiesDialog::closeEvent(QCloseEvent* event)
|
|
{
|
|
// We must wait for finishing of font loading;
|
|
m_futureWatcher.waitForFinished();
|
|
|
|
// We must delete all font tree items, because of asynchronous signal sent
|
|
qDeleteAll(m_fontTreeWidgetItems);
|
|
m_fontTreeWidgetItems.clear();
|
|
|
|
BaseClass::closeEvent(event);
|
|
}
|
|
|
|
} // namespace pdfviewer
|